Finding the Third Proportional to 1,424 and 1,862
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Solution
The third proportional to 1,424 and 1,862 is: 2,434.72
Step by Step Solution
- Step 1: Write the proportion equation
1,424 : 1,862 = 1,862 : x - Step 2: Convert to fraction form
1,424/1,862 = 1,862/x - Step 3: Cross multiply
1,424x = 1,862 × 1,862 - Step 4: Simplify right side
1,424x = 3,467,044 - Step 5: Solve for x
x = 3,467,044/1,424 - Step 6: Final answer
x = 2,434.72
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Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.